Onuphidae Kinberg, 1865
Rhamphobrachium agassizi Ehlers, 1887
Rhamphobrachium agassizii Ehlers, 1887
Rhamphobrachium atlanticum Day, 1973
Rhamphobrachium averincevi Kucheruk, 1979
Rhamphobrachium bipes Monro, 1937
Rhamphobrachium brevibrachiatum (Ehlers, 1875)
Rhamphobrachium brevibranchiata (Ehlers, 1874)
Rhamphobrachium brevibranchiatum (Ehlers, 1875)
Rhamphobrachium brevicornutum (Moore, 1903)
Rhamphobrachium capense Day, 1960
Rhamphobrachium chuni Ehlers, 1908
Rhamphobrachium cristobalensis Fauchald, 1968
Rhamphobrachium diversosetosum Monro, 1937
Rhamphobrachium ehlersi Monro, 1930
Rhamphobrachium golikovi Averincev, 1972
Rhamphobrachium hartmanae Friedrich, 1956
Rhamphobrachium hutchingsae Paxton, 1986
Rhamphobrachium longisetosum Berkeley & Berkeley, 1938
Rhamphobrachium maculatum Estcourt, 1966
Rhamphobrachium noeli Paxton, 1986
Rhamphobrachium pacifica Hoagland, 1920
Rhamphobrachium pettibonae Paxton, 1986
Rhamphobrachium pettiboneae Paxton, 1986
Rhamphobrachium pyriforme Paxton, 1986
Rhamphobrachium quadripes Kucheruk, 1979
Rhamphobrachium verngreni (Kinberg, 1865)
Spinigerium averincevi Kucheruk, 1979
Spinigerium ehlersi Monro, 1930
